Metabolomic Markers in Tongue-Coating Samples from Damp Phlegm Pattern Patients of Coronary Heart Disease and Chronic Renal Failure

Figure 5

PLS-DA analysis of metabolomic data and validation plots of PLS-DA scores: (a) CHD damp phlegm pattern (black points) vs. CRF damp phlegm pattern (red points); (b) validation plots of PLS-DA scores (CHD damp phlegm pattern vs. CRF damp phlegm pattern).

(a)

(b)